using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        DateTime date = new DateTime(2023, 1, 15);

        int dayOfYear = date.DayOfYear;

        DateTime date2 = new DateTime(2023, 12, 31);

        int dayOfYear2 = date2.DayOfYear;

        DateTime date3 = new DateTime(2023, 7, 4);

        int dayOfYear3 = date3.DayOfYear;

        Console.WriteLine(dayOfYear);

        Console.WriteLine(dayOfYear2);

        Console.WriteLine(dayOfYear3);

    }

}